12's are not more durable than the 10's. It's the exact same binding, only a different spring. The reactor's din is not determined by the sole length of your boot, buy by height, weight, and skier type.
'who the fuck is trey harrison? he looks like a giant oger fag that is like 'i just drank 8 redbulls, IM TOTALLY WASSTED'!!!!!!!!' - Apestead